Answers: 3
Physics, 22.06.2019 00:20, alyvia05
Suppose that an electromagnetic wave which is linearly polarized along the xāaxis is propagating in vacuum along the zāaxis. the wave is incident on a conductor which is placed at z > 0 region of the space. the conductor has conductivity Ļ, magnetic permeability Āµ and electric permittivity Īµ. (a) find the characteristic time for the free charge density which dissipates at the conductor. (b) write the maxwell equations and derive the wave equation for a plane wave propagating in a conductor. (c) find the attenuation distance at which the incident amplitude reduces to e ^ā1 of its initial value. (d) find the electric and magnetic fields inside the conductor. 8 (e) find the power loss per area of the incident electromagnetic wave at the surface of conductor.
Answers: 1
Physics, 22.06.2019 16:00, Andrebutrus
The field between two charged parallel plates is kept constant. if the two plates are brought closer together, the potential difference between the two plates either a) decrease b) does not change c) increase?
Answers: 3
Physics, 22.06.2019 20:00, PurpleAndBlue
Awave has a wavelength of 7 mm and a frequency of 19 hertz. what is its speed?
Answers: 1
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